Senior 5G RAN & Open RAN Network Architect

StarHub; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

StarHub in Singapore is seeking a skilled Network Engineer to join our Radio Technology team, leading design, deployment, and evolution of next‑generation mobile networks. You will apply deep 4G/5G RAN expertise, drive Open RAN initiatives, work across rollout sites, and collaborate with vendors to ensure high performance and scalable architectures.

The role emphasizes hands‑on implementation, testing, and automation to enable zero‑touch operations.

Qualifications

• Bachelor's degree in electrical/electronic engineering, computer science, or a related field.
• 5+ years of hands-on experience in mobile network design, planning, and optimization.
• Strong understanding of 4G/5G RAN + ORAN technologies, network layers, and deployment workflows.
• Experience with multi-vendor environments and integration of third-party network solutions.
• Proficient in radio network troubleshooting, parameter tuning, and performance analytics.

Responsibilities

• Act as a domain expert in RAN design and optimization, focusing on 5G architecture, parameter planning, and network tuning.
• Collaborate closely with Antina site rollout, integration, and field validation of mobile base stations.
• Familiar with both indoor and outdoor 4G/5G base stations deployment and integration of both indoor and outdoor.
• Collaborate with internal stakeholders and infrastructure partners to manage rollout activities, site integration, and performance validation.
• Conduct end‑to‑end feature testing, lab trials, and user acceptance testing for firmware, software upgrades, and new network capabilities.
• Familiar with the UE test tools and perform drive test to validate the network performance, including signalling analysis and troubleshooting.
• Support multi‑band and multi‑technology trials and deployments and spectrum re‑farming for both NSA and SA networks.
• Engage in Open RAN and AI‑RAN initiatives, including RIC integration, SON, and automation for zero‑touch operations.
• Leverage 3GPP standards and best practices to support scalable and future‑ready network architectures.
• Apply cost‑optimized strategies to improve CAPEX/OPEX efficiency in network rollouts and enhancements.
• Contribute to enterprise 5G and private network deployments, supporting industry‑specific use cases and business demands.
• Collaborate with analytics and strategy teams to explore data monetization opportunities using RAN/Core network insights and digital twin technologies.

Skills

5G RAN design

Open RAN

AI-driven networks

Scripting (Python)

Kubernetes / cloud-native

Drive test & UE tools

Multi-vendor coordination

Analytical & communication

Education

Bachelor’s degree in Electrical/EC or CS

Tools

Atoll

iBwave

Actix

TEMS

Keysight

R&S

Anritsu

Job description

StarHub in Singapore is seeking a skilled Network Engineer to join our Radio Technology team, leading design, deployment, and evolution of next‑generation mobile networks. You will apply deep 4G/5G RAN expertise, drive Open RAN initiatives, work across rollout sites, and collaborate with vendors to ensure high performance and scalable architectures.

The role emphasizes hands‑on implementation, testing, and automation to enable zero‑touch operations.